import java.util.Scanner;

public class P5728 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[][] arr= new int[20][3];
        int n= sc.nextInt();
        for (int i = 0; i < n; i++) {
            arr[i][0]= sc.nextInt();
            arr[i][1]= sc.nextInt();
            arr[i][2]= sc.nextInt();
        }

    }
}
